Hertz HMR 20 Marine Receiver for Boats & Marine Audio Systems
If you're looking for a marine radio that actually performs on the water, the Hertz HMR 20 is built for real-world boating conditions.
Designed to handle wind, water, UV exposure, and vibration, this marine receiver delivers reliable performance while giving you modern features like Bluetooth streaming and multi-zone control.
Whether you're upgrading your boat stereo or building a full marine audio system, this is the control center that ties everything together.
Why the Hertz HMR 20 Is Built for Marine Use
Unlike standard radios, the HMR 20 is engineered specifically for marine environments.
- Weather-resistant design for harsh conditions
- Easy-to-read 3" color display even in sunlight
- Large buttons for operation while cruising
- Built to perform in extreme marine environments
This is not a car stereo adapted for a boat — it’s purpose-built for marine use.
Key Features of the Hertz HMR 20 Marine Receiver
- Bluetooth audio streaming for wireless music
- AM/FM radio with RDS
- USB 2.0 input for playback and charging
- 4 x 50W peak power output
- 2-zone audio control (perfect for multiple listening areas)
- AUX input for additional sources
- DAB+ ready for expanded radio options
Real-World Performance on the Water
This receiver is designed to work as part of a complete marine audio system.
When paired with:
Marine Amplifiers
Marine Speakers
Marine Subwoofers
It delivers clean, controlled signal output that allows your entire system to perform better.
Marine Amplifiers Collection
Marine Speakers Collection
Marine Subwoofers Collection
Watch Hertz Marine Audio in Action
Perfect for These Boat Applications
- Center console boats
- Pontoon boats
- Fishing boats
- Wake boats
- Small to mid-size marine systems
Especially ideal for Lake Erie boaters dealing with wind and open water conditions.
Marine Audio Installation in Mentor Ohio
Stereo Installs provides professional marine audio installation in Mentor, Ohio, serving:
- Cleveland
- Mentor
- Willoughby
- Eastlake
- Lake County
- Ashtabula
We design systems that are loud, clean, and reliable at speed on Lake Erie.
Get a Quick Quote
Call (440) 525-2001
See Real Marine Audio Installs
See Our Work on this Sea Ray Sundancer
Frequently Asked Questions
Is the Hertz HMR 20 loud enough on its own?
It provides signal and basic power, but for real volume at speed, we recommend adding an amplifier.
Can I connect amplifiers and subwoofers?
Yes — this unit is designed to integrate into a full marine audio system.
Is this waterproof?
It is marine-rated and built to handle harsh marine environments, including water exposure.
Does this have Bluetooth?
Yes — it supports Bluetooth audio streaming for wireless music playback.
Is this good for Lake Erie boating?
Yes — it’s designed for harsh marine environments, including wind, vibration, and exposure.
Why Upgrade to the Hertz HMR 20?
If your current boat radio is outdated, weak, or lacks features, upgrading to the HMR 20 gives you:
- Better connectivity
- Cleaner signal output
- Expandability for full systems
- Reliable marine performance
Upgrade Your Boat Stereo System Today
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.